Home / 109,518.73-151,135.91-59,217.73

Finding the Fourth Proportional to 109,518.73, 151,135.91 and 59,217.73

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Solution

The fourth proportional to 109,518.73, 151,135.91 and 59,217.73 is: 81,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,518.73 : 151,135.91 = 59,217.73 : x
  2. Step 2: Convert to fraction form
    109,518.73/151,135.91 = 59,217.73/x
  3. Step 3: Cross multiply
    109,518.73x = 151,135.91 × 59,217.73
  4. Step 4: Simplify right side
    109,518.73x = 8,949,925,511.68
  5. Step 5: Solve for x
    x = 8,949,925,511.68/109,518.73
  6. Step 6: Final answer
    x = 81,720.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.